| 摘要 |
<p>This spectacle frame has a watch inserted inside one of its sides. The side has a cavity and is used as watch-case, which can be water-tight. The bottom surface of this watch-case has a window coinciding with the display of the watch. The bottom surface may be transparent. Pref. the watch is of the quartz type and is fixed by a small plate and two screws. The watch is better protected from sand and water than a wrist watch and the trace on the wrist when sunbathing due to an ordinary watch is avoided.</p> |
